Kelley Floyd
09/14/2023 · Middle School
2. Considerar los polinomios \( P(x)=x^{3}-12 x^{2}+6 x+a \quad \) y \( \quad Q(x)=x^{2}+2 x \) a) Hallar el valor de \( a \) sabiendo que \( x=2 \) es raíz del polinomio \( R(x) \) donde \( R(x)=P(x)+5 Q(x) \) ? b) Considerar \( a=-12 \), hallar el dominio y el conjunto solución de la siguiente ecuación: \[ \frac{R(x)}{x-2}+4=4 \]
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a) El valor de \( a \) es -12.
b) El dominio es \( \mathbb{R} \setminus \{2\} \) y el conjunto solución es \{3\}.
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